231807030 has 256 divisors, whose sum is σ = 745113600. Its totient is φ = 44789760.

The previous prime is 231807029. The next prime is 231807031. The reversal of 231807030 is 30708132.

It is an interprime number because it is at equal distance from previous prime (231807029) and next prime (231807031).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231807031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2126616 + ... + 2126724.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^231807030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231807030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372556800).

231807030 is an abundant number, since it is smaller than the sum of its proper divisors (513306570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231807030 is a wasteful number, since it uses less digits than its factorization.

231807030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 231807030 is about 15225.2103433746. The cubic root of 231807030 is about 614.2929543817.

The spelling of 231807030 in words is "two hundred thirty-one million, eight hundred seven thousand, thirty".